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Technology Support
Optical
Synchronous Optical NETwork (SONET)
Troubleshooting TechNotes
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Automatic Protection Switching (APS )
Automatic Protection Switching (APS )
Packet Over SONET (POS)
Automatic Protection Switching (APS )
CRC-16 and CRC-32 on Packet Over SONET Interfaces
02/May/2005
Automatic Protection Switching (APS )
ASR5000 Switchover of STM1/OC3 Channelized Cards with APS-Mode Redundancy
Configuring Redundancy for POS/APS
Hardware Support for Automatic Protection Switching (APS) in Routers and ATM Switches
Understanding APS Reflector Channel
Understanding APS Versions on POS Interfaces
Packet Over SONET (POS)
ML-MR-10 Configurations to Pass CDP Packets LACP Packets Transparently
Calculating the Maximum Attenuation for Optical Fiber Links
30/Mar/2005
A Brief Overview of Packet Over SONET APS
01/Oct/2006
A Brief Overview of SONET Technology
14/Jun/2005
Configuring Clock Settings on POS Router Interfaces
05/Sep/2006
Configuring J1 Bytes and Troubleshooting HP-TIM Alarms on POS Line Cards
21/Mar/2005
Inspection and Cleaning Procedures for Fiber-Optic Connections
30/Nov/2016
Introduction to Optical Fibers, dB, Attenuation and Measurements
20/Apr/2005
Measuring the Optical Level through IOS
19/Sep/2006
Plugging a SingleMode Fiber Port Into a Multimode Fiber Port
15/May/2005
SONET Graphical Overview
06/Feb/2005
SONET Triggers
21/Jul/2005
Troubleshoot Serial Interfaces on Channelized STM-1/OC-3 SPA
29/Aug/2017
Troubleshooting Bit Error Rate Errors on SONET Links
12/Sep/2005
Troubleshooting NEWPTR Errors on POS Interfaces
01/Oct/2006
Troubleshooting PSE and NSE Events on POS Interfaces
01/Oct/2006
Troubleshooting Physical Layer Alarms on SONET and SDH Links
24/Oct/2006
Understanding Concatenated and Channelized SONET Interfaces on Cisco Routers
05/Sep/2006
Understanding Loopbacks on POS Links
02/Dec/2005
Understanding the Basic Differences Between SONET and SDH Framing in Optical Networks
02/Nov/2006
Understanding the C2 Flag Byte on Packet Over SONET (POS) Interfaces
01/Dec/2005
Understanding the Path Trace Byte (J1) on POS Interfaces
09/Sep/2005
Using an Attenuator on SONET Links
08/Mar/2005
Support Documentation
All Support Documentation for this Series